CN108298966A - A kind of two-component refractory brick and preparation method thereof - Google Patents
A kind of two-component refractory brick and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to fire resisting material field, a kind of two-component refractory brick and preparation method thereof is disclosed, which is made by A, B slurry；A slurries include：Electric smelting chromium oxide, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide micro mist, yttrium oxide micro mist, lanthanum and/or lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metallic yttrium micro mist, resorcinolformaldehyde resin, neopelex, ethyl alcohol, water.B slurries include：Electric smelting chromium oxide, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide micro mist, yttrium oxide micro mist, lanthanum and/or lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metallic yttrium micro mist, cation photocuring initiator, tetradecyltrimethylammonium bromide, ethyl alcohol, water.The present invention uses two-component slurry, can reduce bonding agent dosage, improve the physical property of refractory brick.
Description
Technical field
The present invention relates to fire resisting material fields more particularly to a kind of two-component refractory brick and preparation method thereof.
Background technology
High-chrome brick has higher refractoriness and mechanical strength, and lower coefficient of thermal expansion, wear-resisting and resistance to slag is strong, thermal shock
The advantages that stability is good is that common refractory brick is incomparable.
The first patent CN201510023179.7 of the applicant discloses a kind of metal high-chrome brick, by electric smelting chromium oxide,
Sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide micro mist, yttrium oxide micro mist, lanthanum and lanthanum
Series metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metallic yttrium micro mist and bonding agent composition.The hair
It is bright while a kind of preparation method of metal high-chrome brick being provided, step include premix, batch mixing, it is moulding, dry, fire and sorting, examine
It tests, packaging and storage.The invention improves refractoriness, the stability of high-chrome brick by the way that metal fine powder and metal oxide micro mist is added
And resistance to slag, improve service life.
But the addition dosage of the bonding agent in the raw material of above-mentioned patent refractory brick is more (2-6% or so), even if the knot
Mixture has a heat-resisting quantity, but its under high temperature environment still can decomposed cause to leaving hole inside refractory brick
The reduction of refractory brick intensity.
Invention content
In order to solve the above technical problem, the present invention provides a kind of two-component refractory brick and preparation method thereof, the present invention
Refractory brick is prepared using two-component slurry, there can be the additive amount for reducing bonding agent, to effectively improve the physics of refractory brick finished product
Performance.
The specific technical solution of the present invention is：A kind of two-component refractory brick, by being made after A slurries and the mixing of B slurries.
The A slurries include the raw material of following parts by weight：50-75 parts of electric smelting chromium oxide, sintering oxidation chromium particle 10-20
Part, 10-20 parts of pink fused alumina particle, 2-6 parts of alumina powder, 2-6 parts of fine magnesium oxide micro-powder, 2-6 parts of zirconium oxide micro mist, yttrium oxide is micro-
0.1-2 parts of 0.1-2 parts of powder, lanthanum and/or lanthanide metal oxide micro mist, 0.1-2 parts of metallic aluminium micro mist, crome metal micro mist 0.1-2
Part, 0.1-2 parts of metal zirconium micro mist, 0.1-2 parts of metallic yttrium micro mist, 0.5-1.5 parts of resorcinolformaldehyde resin, dodecyl
0.1-1 parts of benzene sulfonic acid sodium salt, 20-30 parts of ethyl alcohol, 20-30 parts of water；
The B slurries include the raw material of following parts by weight：50-75 parts of electric smelting chromium oxide, 10-20 parts of sintering oxidation chromium particle, chromium
10-20 parts of corundum in granules, 2-6 parts of alumina powder, 2-6 parts of fine magnesium oxide micro-powder, 2-6 parts of zirconium oxide micro mist, yttrium oxide micro mist
0.1-2 parts, 0.1-2 parts of lanthanum and/or lanthanide metal oxide micro mist, 0.1-2 parts of metallic aluminium micro mist, 0.1-2 parts of crome metal micro mist,
0.1-2 parts of metal zirconium micro mist, 0.1-2 parts of metallic yttrium micro mist, 0.1-0.5 parts of cation photocuring initiator, tetradecyl trimethyl
0.1-0.5 parts of base ammonium bromide, 20-30 parts of ethyl alcohol, 20-30 parts of water.
In the first patent CN201510023179.7 of the applicant, the content of bonding agent is higher (2-6%), rear
It is gradually decomposed under continuous hot environment, to leave hole inside refractory brick, causes the consistency of refractory brick to reduce, final shadow
Ring the intensity of product.Due to containing sodium lignin sulfonate in the bonding agent, it is soluble in water be it is negatively charged, it is mixed with cermet powder
After conjunction so that cermet powder surface is negatively charged, thus produces electrostatic repulsion from each other, and benefit is can to improve slurry
The dispersion degree of powder in material, makes powder be not easy to reunite, and improves slurry fluidity.But it also brings disadvantage：Subsequent solid
During knot, due to mutually exclusive between powder, cause mutual binding force not high, thus has to increase bonding agent
Additive amount is to improve the binding force between powder.And a large amount of bonding agents leave a large amount of holes after pyrolytic, lead to refractory brick
Consistency reduces, the final physical property for influencing product.
For this purpose, the present invention is pointedly prepared there are two types of slurry, in A slurries, with neopelex to powder into
Row surface treatment, it is negatively charged after so that it is dissolved in water.And in B slurries, with tetradecyltrimethylammonium bromide and the wooden cationic photopolymerization
Curing initiator (while as photoinitiator) is surface-treated powder, positively charged after so that it is dissolved in water.In this way, A is starched
Powder in material and B slurries can be mutually exclusive, has no effect on its dispersibility, but before curing mixes two kinds of slurries, into
Row neutralizes, and powder with different charge is attracted each other, to improve the binding force between powder, it is possible thereby to effectively reduce knot
The usage amount of mixture improves the consistency of product.
In addition, resorcinolformaldehyde resin is made as binder in cation photocuring initiator and ultraviolet light
Having the characteristics that rapid photocuring, and itself and the higher difference of the universal viscosity of other light-cured resins with lower, mobility is preferable, and
The conveying of material is not interfered with.The present invention also dexterously selects cation photocuring initiator as initiator, and effect is not only
Resorcinolformaldehyde resin Quick cross-linking under action of ultraviolet light can be caused, but also the negative of powder surface can be offset
Charge is achieved many things at one stroke.
Preferably, the preparation method of the A slurries is：The second alcohol and water of 0.4-0.6 times of formula ratio is first weighed respectively simultaneously
Mixing, is made into ethanol water, then weighs the electric smelting chromium oxide of formula ratio, sintering oxidation chromium particle, pink fused alumina particle, oxidation
Aluminium micro mist, fine magnesium oxide micro-powder, zirconium oxide micro mist, yttrium oxide micro mist, lanthanum and/or lanthanide metal oxide micro mist, metallic aluminium micro mist,
Crome metal micro mist, metal zirconium micro mist, metallic yttrium micro mist, resorcinolformaldehyde resin and neopelex, addition
It into ethanol water, is heated to 35-45 DEG C and stirs evenly, remaining second alcohol and water is added after being cooled to room temperature, is stirred evenly
After obtain material-mud.
Preferably, the preparation method of the B slurries is：The second alcohol and water of 0.4-0.6 times of formula ratio is first weighed respectively simultaneously
Mixing, is made into ethanol water, then weighs the electric smelting chromium oxide of formula ratio, sintering oxidation chromium particle, pink fused alumina particle, oxidation
Aluminium micro mist, fine magnesium oxide micro-powder, zirconium oxide micro mist, yttrium oxide micro mist, lanthanum and/or lanthanide metal oxide micro mist, metallic aluminium micro mist,
Crome metal micro mist, metal zirconium micro mist, metallic yttrium micro mist, cation photocuring initiator and tetradecyltrimethylammonium bromide add
It is added in ethanol water, is heated to 35-45 DEG C and stirs evenly, remaining second alcohol and water is added after being cooled to room temperature, stirring is equal
Material-mud is obtained after even.
In the process for preparation of A slurries and B slurries, first with fraction of ethanol solution dispersed ceramic powder, respectively with 14
Alkyl trimethyl ammonium bromide and neopelex etc. to powder carry out surface modification, finally add again remaining ethyl alcohol and
Water can so effectively improve the dispersibility and mobility of slurry.
Preferably, the cation photocuring initiator is four (perfluorophenyl) boric acid salt compounded of iodine.
Preferably, the grain size of the electric smelting chromium oxide, sintering oxidation chromium particle and pink fused alumina particle is less than 1mm, it is described
Alumina powder, fine magnesium oxide micro-powder, zirconium oxide micro mist grain size be less than 0.088mm, the yttrium oxide micro mist, lanthanum and/or group of the lanthanides
Metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist and metallic yttrium micro mist grain size be less than 10 microns.
A kind of preparation method of two-component refractory brick, includes the following steps：
1) preparation of A slurries and B slurries.
2) moulding：A slurries and B slurries are delivered to mixing in mold respectively, the compression moulding in mold.
3) dry：Molding blank brick is spontaneously dried.
4) photocuring：Blank brick after drying is placed under ultraviolet light and is irradiated.
5) it is sintered：Blank brick is sent into tunnel oven, is sintered in a reducing atmosphere, finished product.
In above-mentioned technique, step 2) is improved：Ceramic slurry is first separately heated to certain temperature, molten
Melt, cure before two kinds of materials are mixed, ceramic powder with different charge is attracted each other, to improve between ceramic powder
Binding force improves the consistency of product it is possible thereby to effectively reduce the usage amount of bonding agent.
In above-mentioned technique, step 2) is improved：Before slurry compression moulding, A slurries are mixed with B slurries,
Powder with different charge is attracted each other, to improve the binding force between powder, it is possible thereby to effectively reduce bonding agent
Usage amount improves the consistency of product.
In addition, in traditional handicraft, directly it is sintered after dry, but the inventors discovered that direct sintering after dry,
Blank brick is consolidated due to rapid in a short time in sintering process, is very easy to cracking, does not only result in product strength reduction, and
Also yield rate is affected.For this purpose, the present invention has carried out photocuring by a small margin before sintering, blank brick is set to carry out a degree of
A cushioning effect is played in precuring, can effectively prevent cracking in sintering process.
Preferably, in step 2), the pressure of compression moulding is 4-6T/cm2；And in step 2) and step 3), entire mistake
Journey is to be carried out under the conditions of being protected from light.
Preferably, in step 3), drying time 24-48h, until moisture content is not higher than 1%.
Preferably, in step 4), irradiation time 3-7min.
Preferably, in step 5), 10-20min is first preheated at 400-600 DEG C, is then sintered at 1000-1200 DEG C
Then 1-2h is sintered 1-2h at 1300-1500 DEG C, be finally sintered 3-7h at 1700-1800 DEG C.
In first patent CN201510023179.7, since direct high temperature sintering is easy to cause refractory brick cracking after drying,
Therefore preheating temperature and partially sinter temperature it is all relatively low (preheating 300-500 DEG C, the first stage be sintered 800-1000 DEG C, second
1200-1450 DEG C of the stage).And the present invention can promote each stage to a certain extent due to having carried out precuring in advance
Temperature save the time to improve efficiency.
It is compared with the prior art, the beneficial effects of the invention are as follows：
1, the present invention is reduced the usage amount of bonding agent, is effectively increased the densification of refractory brick finished product using double group component slurries
Degree, to have higher physical property.
2, the present invention carries out precuring before sintering using photocuring technology to blank brick, brick can be effectively prevent to crack.
Specific implementation mode
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of two-component refractory brick, by being made after A slurries and the mixing of B slurries.
The A slurries include the raw material of following parts by weight：50 parts of electric smelting chromium oxide, 15 parts of sintering oxidation chromium particle, chromium is rigid
15 parts of beautiful particle, 4 parts of alumina powder, 4 parts of fine magnesium oxide micro-powder, 4 parts of zirconium oxide micro mist, 1 part of yttrium oxide micro mist, lanthanum and group of the lanthanides gold
Belong to 1 part of oxide micropowder, 1 part of metallic aluminium micro mist, 1 part of crome metal micro mist, 1 part of metal zirconium micro mist, 1 part of metallic yttrium micro mist, isophthalic
1 part of diphenol diglycidyl ether, 0.5 part of neopelex, 25 parts of ethyl alcohol, 25 parts of water.
The B slurries include the raw material of following parts by weight：50 parts of electric smelting chromium oxide, 15 parts of sintering oxidation chromium particle, chromium is rigid
15 parts of beautiful particle, 4 parts of alumina powder, 4 parts of fine magnesium oxide micro-powder, 4 parts of zirconium oxide micro mist, 1 part of yttrium oxide micro mist, lanthanum and group of the lanthanides gold
Belong to 1 part of oxide micropowder, 1 part of metallic aluminium micro mist, 1 part of crome metal micro mist, 1 part of metal zirconium micro mist, 1 part of metallic yttrium micro mist, sun from
0.3 part of sub-light curing initiator (four (perfluorophenyl) boric acid salt compounded of iodine), 0.3 part of tetradecyltrimethylammonium bromide, ethyl alcohol 25
Part, 25 parts of water.
The grain size of the electric smelting chromium oxide, sintering oxidation chromium particle and pink fused alumina particle is less than 1mm, and the aluminium oxide is micro-
Powder, fine magnesium oxide micro-powder, zirconium oxide micro mist grain size be less than 0.088mm, the yttrium oxide micro mist, lanthanum and/or lanthanide series metal oxidation
Object micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist and metallic yttrium micro mist grain size be less than 10 microns.
The preparation method of above-mentioned two-component refractory brick, includes the following steps：
1) preparation of A slurries：The second alcohol and water of 0.5 times of formula ratio is first weighed respectively and is mixed, and is made into ethanol water, is then claimed
Take the electric smelting chromium oxide of formula ratio, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide is micro-
Powder, yttrium oxide micro mist, lanthanum and lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metallic yttrium
Micro mist, resorcinolformaldehyde resin and neopelex, are added in ethanol water, are heated to 40 DEG C of stirrings
Uniformly, remaining second alcohol and water is added after being cooled to room temperature, and material-mud is obtained after stirring evenly.
The preparation of B slurries：The second alcohol and water of 0.5 times of formula ratio is first weighed respectively and is mixed, and is made into ethanol water, then
Weigh the electric smelting chromium oxide of formula ratio, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide
Micro mist, yttrium oxide micro mist, lanthanum and lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metal
Yttrium micro mist, cation photocuring initiator and tetradecyltrimethylammonium bromide, are added in ethanol water, are heated to 40 DEG C
It stirs evenly, remaining second alcohol and water is added after being cooled to room temperature, material-mud is obtained after stirring evenly.
2) moulding：A slurries and B slurries are delivered to mixing in mold respectively, compression moulding (the pressure 5T/ in mold
cm2)。
3) dry：Molding blank brick is spontaneously dried into 36h, until moisture content is not higher than 1%.Wherein, step 2) and step
It is rapid 3) in, whole process be protected from light under the conditions of carry out.
4) photocuring：Blank brick after drying is placed under ultraviolet light and irradiates 5min.
5) it is sintered：Blank brick is sent into tunnel oven, first 15min is preheated at 500 DEG C in a reducing atmosphere, then exists
It is sintered 1.5h at 1100 DEG C, 1.5h is then sintered at 1400 DEG C, 5h, finished product are finally sintered at 1750 DEG C.
Embodiment 2
A kind of two-component refractory brick, by being made after A slurries and the mixing of B slurries.
The A slurries include the raw material of following parts by weight：62 parts of electric smelting chromium oxide, 10 parts of sintering oxidation chromium particle, chromium is rigid
10 parts of beautiful particle, 2 parts of alumina powder, 6 parts of fine magnesium oxide micro-powder, 2 parts of zirconium oxide micro mist, 0.1 part of yttrium oxide micro mist, lanthanum and group of the lanthanides
2 parts of metal oxide micro mist, 0.1 part of metallic aluminium micro mist, 2 parts of crome metal micro mist, 0.1 part of metal zirconium micro mist, metallic yttrium micro mist 2
Part, 0.5 part of resorcinolformaldehyde resin, 0.1 part of neopelex, 20 parts of ethyl alcohol, 30 parts of water.
The B slurries include the raw material of following parts by weight：62 parts of electric smelting chromium oxide, 10 parts of sintering oxidation chromium particle, chromium is rigid
10 parts of beautiful particle, 2 parts of alumina powder, 6 parts of fine magnesium oxide micro-powder, 2 parts of zirconium oxide micro mist, 0.1 part of yttrium oxide micro mist, lanthanum and group of the lanthanides
2 parts of metal oxide micro mist, 0.1 part of metallic aluminium micro mist, 2 parts of crome metal micro mist, 0.1 part of metal zirconium micro mist, metallic yttrium micro mist 2
Part, 0.5 part of cation photocuring initiator (four (perfluorophenyl) boric acid salt compounded of iodine), 0.1 part of tetradecyltrimethylammonium bromide,
20 parts of ethyl alcohol, 30 parts of water.
The grain size of the electric smelting chromium oxide, sintering oxidation chromium particle and pink fused alumina particle is less than 1mm, and the aluminium oxide is micro-
Powder, fine magnesium oxide micro-powder, zirconium oxide micro mist grain size be less than 0.088mm, the yttrium oxide micro mist, lanthanum and/or lanthanide series metal oxidation
Object micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist and metallic yttrium micro mist grain size be less than 10 microns.
The preparation method of above-mentioned two-component refractory brick, includes the following steps：
1) preparation of A slurries：The second alcohol and water of 0.4 times of formula ratio is first weighed respectively and is mixed, and is made into ethanol water, is then claimed
Take the electric smelting chromium oxide of formula ratio, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide is micro-
Powder, yttrium oxide micro mist, lanthanum and lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metallic yttrium
Micro mist, resorcinolformaldehyde resin and neopelex, are added in ethanol water, are heated to 35 DEG C of stirrings
Uniformly, remaining second alcohol and water is added after being cooled to room temperature, and material-mud is obtained after stirring evenly.
The preparation of B slurries：The second alcohol and water of 0.4 times of formula ratio is first weighed respectively and is mixed, and is made into ethanol water, then
Weigh the electric smelting chromium oxide of formula ratio, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide
Micro mist, yttrium oxide micro mist, lanthanum and lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metal
Yttrium micro mist, cation photocuring initiator and tetradecyltrimethylammonium bromide, are added in ethanol water, are heated to 35 DEG C
It stirs evenly, remaining second alcohol and water is added after being cooled to room temperature, material-mud is obtained after stirring evenly.
2) moulding：A slurries and B slurries are delivered to mixing in mold respectively, compression moulding (the pressure 4T/ in mold
cm2)。
3) dry：Molding blank brick is spontaneously dried for 24 hours, until moisture content is not higher than 1%.Wherein, step 2) and step
It is rapid 3) in, whole process be protected from light under the conditions of carry out.
4) photocuring：Blank brick after drying is placed under ultraviolet light and irradiates 3min.
5) it is sintered：Blank brick is sent into tunnel oven, first 20min is preheated at 400 DEG C in a reducing atmosphere, then exists
It is sintered 2h at 1000 DEG C, 2h is then sintered at 1300 DEG C, 7h, finished product are finally sintered at 1700 DEG C.
Embodiment 3
A kind of two-component refractory brick, by being made after A slurries and the mixing of B slurries.
The A slurries include the raw material of following parts by weight：75 parts of electric smelting chromium oxide, 10 parts of sintering oxidation chromium particle, chromium is rigid
10 parts of beautiful particle, 2 parts of alumina powder, 2 parts of fine magnesium oxide micro-powder, 2 parts of zirconium oxide micro mist, 0.1 part of yttrium oxide micro mist, lanthanum and group of the lanthanides
0.1 part of metal oxide micro mist, 0.1 part of metallic aluminium micro mist, 0.1 part of crome metal micro mist, 0.1 part of metal zirconium micro mist, metallic yttrium is micro-
0.1 part of powder, 0.5 part of resorcinolformaldehyde resin, 0.1 part of neopelex, 30 parts of ethyl alcohol, 20 parts of water.
The B slurries include the raw material of following parts by weight：75 parts of electric smelting chromium oxide, 10 parts of sintering oxidation chromium particle, chromium is rigid
10 parts of beautiful particle, 2 parts of alumina powder, 2 parts of fine magnesium oxide micro-powder, 2 parts of zirconium oxide micro mist, 0.1 part of yttrium oxide micro mist, lanthanum and group of the lanthanides
0.1 part of metal oxide micro mist, 0.1 part of metallic aluminium micro mist, 0.1 part of crome metal micro mist, 0.1 part of metal zirconium micro mist, metallic yttrium is micro-
0.1 part of powder, 0.1 part of cation photocuring initiator (four (perfluorophenyl) boric acid salt compounded of iodine), tetradecyltrimethylammonium bromide
0.1 part, 30 parts of ethyl alcohol, 20 parts of water.
The grain size of the electric smelting chromium oxide, sintering oxidation chromium particle and pink fused alumina particle is less than 1mm, and the aluminium oxide is micro-
Powder, fine magnesium oxide micro-powder, zirconium oxide micro mist grain size be less than 0.088mm, the yttrium oxide micro mist, lanthanum and/or lanthanide series metal oxidation
Object micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist and metallic yttrium micro mist grain size be less than 10 microns.
The preparation method of above-mentioned two-component refractory brick, includes the following steps：
1) preparation of A slurries：The second alcohol and water of 0.6 times of formula ratio is first weighed respectively and is mixed, and is made into ethanol water, is then claimed
Take the electric smelting chromium oxide of formula ratio, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide is micro-
Powder, yttrium oxide micro mist, lanthanum and lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metallic yttrium
Micro mist, resorcinolformaldehyde resin and neopelex, are added in ethanol water, are heated to 45 DEG C of stirrings
Uniformly, remaining second alcohol and water is added after being cooled to room temperature, and material-mud is obtained after stirring evenly.
The preparation of B slurries：The second alcohol and water of 0.6 times of formula ratio is first weighed respectively and is mixed, and is made into ethanol water, then
Weigh the electric smelting chromium oxide of formula ratio, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide
Micro mist, yttrium oxide micro mist, lanthanum and lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metal
Yttrium micro mist, cation photocuring initiator and tetradecyltrimethylammonium bromide, are added in ethanol water, are heated to 45 DEG C
It stirs evenly, remaining second alcohol and water is added after being cooled to room temperature, material-mud is obtained after stirring evenly.
2) moulding：A slurries and B slurries are delivered to mixing in mold respectively, compression moulding (the pressure 6T/ in mold
cm2)。
3) dry：Molding blank brick is spontaneously dried into 48h, until moisture content is not higher than 1%.Wherein, step 2) and step
It is rapid 3) in, whole process be protected from light under the conditions of carry out.
4) photocuring：Blank brick after drying is placed under ultraviolet light and irradiates 7min.
5) it is sintered：Blank brick is sent into tunnel oven, first 10min is preheated at 600 DEG C in a reducing atmosphere, then exists
It is sintered 1h at 1200 DEG C, 1h is then sintered at 1500 DEG C, 3h, finished product are finally sintered at 1800 DEG C.
Embodiment 4
A kind of two-component refractory brick, by being made after A slurries and the mixing of B slurries.
The A slurries include the raw material of following parts by weight：55 parts of electric smelting chromium oxide, 15 parts of sintering oxidation chromium particle, chromium is rigid
15 parts of beautiful particle, 3 parts of alumina powder, 2 parts of fine magnesium oxide micro-powder, 2 parts of zirconium oxide micro mist, 2 parts of yttrium oxide micro mist, lanthanum and group of the lanthanides gold
Belong to 0.1 part of oxide micropowder, 2 parts of metallic aluminium micro mist, 0.1 part of crome metal micro mist, 2 parts of metal zirconium micro mist, metallic yttrium micro mist 0.1
Part, 1.5 parts of resorcinolformaldehyde resin, 1 part of neopelex, 25 parts of ethyl alcohol, 25 parts of water.
The B slurries include the raw material of following parts by weight：55 parts of electric smelting chromium oxide, 15 parts of sintering oxidation chromium particle, chromium is rigid
15 parts of beautiful particle, 3 parts of alumina powder, 2 parts of fine magnesium oxide micro-powder, 2 parts of zirconium oxide micro mist, 2 parts of yttrium oxide micro mist, lanthanum and group of the lanthanides gold
Belong to 0.1 part of oxide micropowder, 2 parts of metallic aluminium micro mist, 0.1 part of crome metal micro mist, 2 parts of metal zirconium micro mist, metallic yttrium micro mist 0.1
Part, 0.5 part of cation photocuring initiator (four (perfluorophenyl) boric acid salt compounded of iodine), 0.5 part of tetradecyltrimethylammonium bromide,
25 parts of ethyl alcohol, 25 parts of water.
The grain size of the electric smelting chromium oxide, sintering oxidation chromium particle and pink fused alumina particle is less than 1mm, and the aluminium oxide is micro-
Powder, fine magnesium oxide micro-powder, zirconium oxide micro mist grain size be less than 0.088mm, the yttrium oxide micro mist, lanthanum and/or lanthanide series metal oxidation
Object micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist and metallic yttrium micro mist grain size be less than 10 microns.
The preparation method of above-mentioned two-component refractory brick, includes the following steps：
1) preparation of A slurries：The second alcohol and water of 0.4 times of formula ratio is first weighed respectively and is mixed, and is made into ethanol water, is then claimed
Take the electric smelting chromium oxide of formula ratio, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide is micro-
Powder, yttrium oxide micro mist, lanthanum and lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metallic yttrium
Micro mist, resorcinolformaldehyde resin and neopelex, are added in ethanol water, are heated to 40 DEG C of stirrings
Uniformly, remaining second alcohol and water is added after being cooled to room temperature, and material-mud is obtained after stirring evenly.
The preparation of B slurries：The second alcohol and water of 0.4 times of formula ratio is first weighed respectively and is mixed, and is made into ethanol water, then
Weigh the electric smelting chromium oxide of formula ratio, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide
Micro mist, yttrium oxide micro mist, lanthanum and lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metal
Yttrium micro mist, cation photocuring initiator and tetradecyltrimethylammonium bromide, are added in ethanol water, are heated to 40 DEG C
It stirs evenly, remaining second alcohol and water is added after being cooled to room temperature, material-mud is obtained after stirring evenly.
2) moulding：A slurries and B slurries are delivered to mixing in mold respectively, (pressure is for compression moulding in mold
4.5T/cm2)。
3) dry：Molding blank brick is spontaneously dried for 24 hours, until moisture content is not higher than 1%.Wherein, step 2) and step
It is rapid 3) in, whole process be protected from light under the conditions of carry out.
4) photocuring：Blank brick after drying is placed under ultraviolet light and irradiates 4min.
5) it is sintered：Blank brick is sent into tunnel oven, first 15min is preheated at 550 DEG C in a reducing atmosphere, then exists
It is sintered 1.5h at 1150 DEG C, 1h is then sintered at 1450 DEG C, 4h, finished product are finally sintered at 1800 DEG C.
Performance detection is carried out to embodiment 1-4 and the applicant's existing product, it is as a result as follows：
Raw materials used in the present invention, equipment is unless otherwise noted the common raw material, equipment of this field；It is used in the present invention
Method is unless otherwise noted the conventional method of this field.
The above is only presently preferred embodiments of the present invention, is not imposed any restrictions to the present invention, every according to the present invention
Technical spirit still falls within the technology of the present invention side to any simple modification, change and equivalent transformation made by above example
The protection domain of case.
Claims (10)
1. a kind of two-component refractory brick, it is characterised in that：By being made after A slurries and the mixing of B slurries；
The A slurries include the raw material of following parts by weight：50-75 parts of electric smelting chromium oxide, 10-20 parts of sintering oxidation chromium particle, chromium
10-20 parts of corundum in granules, 2-6 parts of alumina powder, 2-6 parts of fine magnesium oxide micro-powder, 2-6 parts of zirconium oxide micro mist, yttrium oxide micro mist
0.1-2 parts, 0.1-2 parts of lanthanum and/or lanthanide metal oxide micro mist, 0.1-2 parts of metallic aluminium micro mist, 0.1-2 parts of crome metal micro mist,
0.1-2 parts of metal zirconium micro mist, 0.1-2 parts of metallic yttrium micro mist, 0.5-1.5 parts of resorcinolformaldehyde resin, detergent alkylate
0.1-1 parts of sodium sulfonate, 20-30 parts of ethyl alcohol, 20-30 parts of water；
The B slurries include the raw material of following parts by weight：50-75 parts of electric smelting chromium oxide, 10-20 parts of sintering oxidation chromium particle, chromium
10-20 parts of corundum in granules, 2-6 parts of alumina powder, 2-6 parts of fine magnesium oxide micro-powder, 2-6 parts of zirconium oxide micro mist, yttrium oxide micro mist
0.1-2 parts, 0.1-2 parts of lanthanum and/or lanthanide metal oxide micro mist, 0.1-2 parts of metallic aluminium micro mist, 0.1-2 parts of crome metal micro mist,
0.1-2 parts of metal zirconium micro mist, 0.1-2 parts of metallic yttrium micro mist, 0.1-0.5 parts of cation photocuring initiator, tetradecyl trimethyl
0.1-0.5 parts of base ammonium bromide, 20-30 parts of ethyl alcohol, 20-30 parts of water.
2. a kind of two-component refractory brick as described in claim 1, which is characterized in that the preparation method of the A slurries is：First divide
It also known as takes the second alcohol and water of 0.4-0.6 times of formula ratio and mixes, be made into ethanol water, then weigh the electric smelting oxidation of formula ratio
Chromium, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide micro mist, yttrium oxide micro mist, lanthanum
And/or lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metallic yttrium micro mist, resorcinol
Diglycidyl ether and neopelex, are added in ethanol water, are heated to 35-45 DEG C and stir evenly, cooling
Remaining second alcohol and water is added after to room temperature, and material-mud is obtained after stirring evenly.
3. a kind of two-component refractory brick as described in claim 1, which is characterized in that the preparation method of the B slurries is：First divide
It also known as takes the second alcohol and water of 0.4-0.6 times of formula ratio and mixes, be made into ethanol water, then weigh the electric smelting oxidation of formula ratio
Chromium, sintering oxidation chromium particle, pink fused alumina particle, alumina powder, fine magnesium oxide micro-powder, zirconium oxide micro mist, yttrium oxide micro mist, lanthanum
And/or lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium micro mist, metallic yttrium micro mist, cationic photopolymerization
Curing initiator and tetradecyltrimethylammonium bromide, are added in ethanol water, are heated to 35-45 DEG C and stir evenly, cold
But to remaining second alcohol and water is added after room temperature, material-mud is obtained after stirring evenly.
4. a kind of two-component refractory brick as described in claim 1, which is characterized in that the cation photocuring initiator is four
（Perfluorophenyl）Boric acid salt compounded of iodine.
5. a kind of two-component refractory brick as described in claim 1, which is characterized in that the electric smelting chromium oxide, sintering oxidation chromium
The grain size of particle and pink fused alumina particle be less than 1mm, the alumina powder, fine magnesium oxide micro-powder, zirconium oxide micro mist grain size be less than
0.088mm, the yttrium oxide micro mist, lanthanum and/or lanthanide metal oxide micro mist, metallic aluminium micro mist, crome metal micro mist, metal zirconium
The grain size of micro mist and metallic yttrium micro mist is less than 10 microns.
6. a kind of preparation method of the two-component refractory brick as described in one of claim 1-5, it is characterised in that include the following steps：
1）The preparation of A slurries and B slurries；
2）It is moulding：A slurries and B slurries are delivered to mixing in mold respectively, the compression moulding in mold；
3）It is dry：Molding blank brick is spontaneously dried；
4）Photocuring：Blank brick after drying is placed under ultraviolet light and is irradiated；
5）Sintering：Blank brick is sent into tunnel oven, is sintered in a reducing atmosphere, finished product.
7. a kind of preparation method of two-component refractory brick as claimed in claim 6, which is characterized in that step 2）In, it is pressed into
The pressure of type is 4-6T/cm2；And step 2）With step 3）In, whole process is to be carried out under the conditions of being protected from light.
8. a kind of preparation method of two-component refractory brick as claimed in claim 6, which is characterized in that step 3）In, when dry
Between be 24-48h, until moisture content be not higher than 1%.
9. a kind of preparation method of two-component refractory brick as claimed in claim 6, which is characterized in that step 4）In, when irradiation
Between be 3-7min.
10. a kind of preparation method of two-component refractory brick as claimed in claim 6, which is characterized in that step 5）In, first exist
10-20min is preheated at 400-600 DEG C, 1-2h is then sintered at 1000-1200 DEG C, is then sintered 1- at 1300-1500 DEG C
2h is finally sintered 3-7h at 1700-1800 DEG C.
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Cited By (1)
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